1-benzyl-2-ethoxycarbonyl-3-(N,N-dimethylaminomethylene)amino-6,6-dimethyl-4,5,6,7-tetrahydroindol-4-one
1-benzyl-2-ethoxycarbonyl-3-amino-4-oxo-6,6-dimethyl-4,5,6,7-tetrahydroindole
1-isopropoxycarbonylmethylamino-2-cyano-5,5-dimethylcyclohex-1-en-3-one
1-methoxycarbonylmethylamino-2-cyano-5,5-dimethylcyclohex-1-en-3-one
1-carbamoylmethylamino-2-cyano-5,5-dimethylcyclohex-1-en-3-one